Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10229609 | Method, system and recording medium for providing content to be learned | — | 2019-03-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10229609 | Method, system and recording medium for providing content to be learned | — | 2019-03-12 |